United States Air navigation maps (experimental). No. 39, San Diego, Cal. to Los Angeles, Cal.
University of Connecticut Libraries
Scale 1:500,000 (W 118Â°53Ê¹--W 116Â°11Ê¹/N 34Â°49Ê¹--N 32Â°17Ê¹). 3 maps in booklet : col., mounted on linen ; 51 x 26 cm., on sheet 65 x 27 cm. or smaller, folded in cover 27 x 36 cm.
Relief shown by gradient tints, contours and spot heights. Cover title. Includes: Night flying map, scale 1:1,000,000. "1651:21/52:73." "1925 and later revisions."
North oriented to the upper right. Red information revised Oct. 1932.